Someone on another forum posed a question asking what the differerences were for each year of the Twin Cam. I thought this would be an interesting exercise, so I started a spreadsheet detailing the years and differences I remember. Anyone have any additions or spot any mistakes I made?
1999 1st year of Twin Cam
2000
2001 "1"" Front Axle
Dual Caliber Brakes"
2002 "Delphi EFI
CD Player
Replaced Timkin Bearings"
2003
2004
2005
2006 New Radio
2007 "96"" Motor
6 speed tranny
02 Sensors, closed loop EFI
Upgraded Cam Tensioners"
2008 "6 Gallon Tank
Brembo Brakes
ABS Optional
TBW
IDS
High Temp program user controlled"
2009 "Upgraded Frame
Wider back tire
Gearing change to make it lower than 07,08
Exhaust routing change to lessen perceived heat"
2010 "Helical cut 5th gear
Heated O2 Sensors
D408 front tires for wear issues"